Results 251 to 260 of about 114,205 (309)

UV-Cured Methyl Methacrylate Electrolyte Prepared by Ultrasonic Spray Deposition. [PDF]

ACS Omega
Li CP, Chin CC.
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Ultrasonic thermoacoustic energy converter

Ultrasonics, 2013
Thermoacoustic prime movers have been developed for operation in the low ultrasonic frequency range by scaling down the device size. The developed engines operate at frequencies up to 23 kHz. They are self-sustained oscillators whose dimensions scale inversely with operating frequency.
Myra, Flitcroft, Orest G, Symko
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An energy harvesting type ultrasonic motor

Ultrasonics, 2017
An energy harvesting type ultrasonic motor is presented in this work. The novel motor not only can drive and/or position the motion mechanism, but also can harvest and convert the vibration-induced energy of the stator into electric energy to power small electronic devices.
Guangqing, Wang, Wentan, Xu, Shuaishuai, Gao, Binqiang, Yang, Guoli, Lu   +4 more
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Isolation of Alkaloids using Ultrasonic Energy

Nature, 1963
IN recent years ultrasonic energy has been used in the extraction of various materials from plants, animals, and micro-organisms for biochemical analysis1. The application of ultrasound has proved advantageous for the isolation of enzymes, nucleic acids, and other heat-labile substances from cells and tissues.
A E, DEMAGGIO, J A, LOTT, R J, GERRAUGHTY   +2 more
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Effect of Ultrasonic Energy Density of Ultrasonic Sludge Hydrolysis

Advanced Materials Research, 2015
Regard the added soluble chemical oxygen demand value (SCOD), TN, TP, VFA as the evaluation index, study the hydrolysis effect of different ultrasonic intensity of sewage sludge. The results show that: with the energy density of 0.75W/L, 1.5W/L, 3W/L after ultrasonic treatment of sludge, SCOD than the original clay increased a lot.
Yu Chen, Lin Hao, Dong Mei Wang
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Ultrasonic Energy Systems

2012
While ultrasound-based surgical energy systems are increasingly employed as a means to dissect, cut, and coagulate tissues with efficacy supported by a growing body of multidisciplinary research, the ultimate value of these systems is dependent upon surgeons learning to use them safely and effectively.
James G. Bittner, J. Esteban Varela, Daniel Herron   +2 more
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Ultrasonic Cutting of Energy Crops

2012 Dallas, Texas, July 29 - August 1, 2012, 2012
Agricultural and forest residues in addition to energy crops are major biomass feedstocks for biofuel production. Cutting of biomass feedstocks during harvesting and preprocessing is one of the challenges for sustainable biofuel production. The objective of this study was to investigate the effects of an ultrasonic cutting blade on shearing switchgrass.
null Bo Liu, null A Bulent Koc
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Absorption of Ultrasonic Energy by the Skull

1975
The values usually quoted for absorption of ultrasonic energy by the skull are probably erroneous due to the marked scattering of the energy that results from passage through the skull.
D. N. White, G. R. Curry
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Disaggregation of sandstones by ultrasonic energy

Journal of Sedimentary Research, 1970
A rapid method of disaggregating sandstones was investigated, with emphasis on reducing specimens to individual grains without destroying surficial or volumetric parameters. Specific quantities of samples were used to test three ultrasonic generators with focused horns utilizing varying degrees of acoustical intensity and frequencies for preset periods
W. K. Overbey, B. R. Henniger
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Ultrasonic transducer with energy shielding

The Journal of the Acoustical Society of America, 1984
An ultrasonic instrument including a stack of laminations for converting electrical energy into mechanical vibratory energy to which is connected at one end an acoustic impedance transformer for converting the vibratory energy into longitudinal movement, with a work tip being connected to the free end of the transformer and a transition region of ...
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